[INFO] fetching crate tracing-callgraph 0.1.0-alpha.1...
[INFO] checking tracing-callgraph-0.1.0-alpha.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate tracing-callgraph 0.1.0-alpha.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate tracing-callgraph 0.1.0-alpha.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-callgraph 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate tracing-callgraph 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate tracing-callgraph 0.1.0-alpha.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate tracing-callgraph 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.12
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded indexmap v1.5.0
[INFO] [stderr]   Downloaded hashbrown v0.8.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb43074f279809dd59af31fbcf799ecdc5f1c1ea390a17509258f1521f6b051e
[INFO] running `Command { std: "docker" "start" "-a" "cb43074f279809dd59af31fbcf799ecdc5f1c1ea390a17509258f1521f6b051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb43074f279809dd59af31fbcf799ecdc5f1c1ea390a17509258f1521f6b051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb43074f279809dd59af31fbcf799ecdc5f1c1ea390a17509258f1521f6b051e", kill_on_drop: false }`
[INFO] [stdout] cb43074f279809dd59af31fbcf799ecdc5f1c1ea390a17509258f1521f6b051e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71fae71aa6e3f4f3a479e4188088833e289cfdf4e4b6c4da94c238e464c09eb
[INFO] running `Command { std: "docker" "start" "-a" "f71fae71aa6e3f4f3a479e4188088833e289cfdf4e4b6c4da94c238e464c09eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking tracing-core v0.1.12
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking tracing-callgraph v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.21s
[INFO] running `Command { std: "docker" "inspect" "f71fae71aa6e3f4f3a479e4188088833e289cfdf4e4b6c4da94c238e464c09eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71fae71aa6e3f4f3a479e4188088833e289cfdf4e4b6c4da94c238e464c09eb", kill_on_drop: false }`
[INFO] [stdout] f71fae71aa6e3f4f3a479e4188088833e289cfdf4e4b6c4da94c238e464c09eb